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SCA 2 Review
Test Description: Review for Science Short Cycle Assessment--mainly Cells, Classification and Reproduction
Instructions: Answer all questions to get your test result.
1) Which process produces the MOST variation within a species?
A
Asexual reproduction
B
Sexual reproduction
C
cloning
D
mitosis
2) In _____________________, a body part re-grows and may form a new organism.
A
fission
B
regeneration
C
budding
D
sexual reproduction
3) What would happen to a species if the organisms could NOT reproduce?
A
The species would go extinct.
B
The species would mate with a new species.
C
The species would evolve.
D
The species would move to a new location.
4) When Zebras and Donkeys mate, can produce an offspring, but the offspring is sterile. Why is this offspring not considered a new species?
A
Offspring must be able to reproduce to be considered a new species.
B
Organisms do not reproduce.
C
Reproduction is not importation to identifying species.
D
Offspring do not have to reproduce to be considered a new species.
5) _______________ Is the largest group of organisms in which two individuals are capable of reproducing fertile offspring.
A
kingdoms
B
species
C
clones
D
families
6) After the joining of egg and sperm, a _____________ begins to form.
A
tissue
B
ball
C
egg
D
zygote
7) What happens first during sexual reproduction?
A
fertilization
B
mitosis
C
gamete production
D
differentiation
8) In a particular variety of corn, the kernels turn red when exposed to sunlight. In the absence of sunlight, the kernels remain yellow. Based on this information, the color of these corn kernels is due to
A
a different type of DNA that is produced when sunlight is present.
B
the effect of environment on gene expression.
C
the effect of sunlight on the number of chromosomes inherited.
D
a different species of corn that is produced in sunlightl
9) Hereditary information is found in genes located on a cell's
A
chromosomes.
B
cytoplasm.
C
chloroplasts.
D
membranes.
10) Each human skin cell has ______ PAIRs of chromosomes.
A
13
B
46
C
23
D
18
11) Genes determine the characteristics or ____________ each offspring will have.
A
traits
B
nuclei
C
cells
D
chromosomes
12) A Punnett square shows you all the ways in which ______ can combine.
A
eggs
B
alleles
C
sperm
D
colors
13) Which of the following is NOT among the basic characteristics shared by living things?
A
growing
B
Responding to the surroundings
C
Breathing
D
Using energy
14) Which of the following is an example of a unicellular organism?
A
Lichen
B
Hydra
C
Paramecium
D
Moss
15) Some animals use large amounts of energy while performing normal activities. What organelles do these animals most likely have large numbers of in their muscle cells?
A
nuclei
B
golgi bodies
C
chloroplasts
D
mitochondria
16) Which of these statements best describes the function of the cell membrane
A
It allows substances to freely enter and exit the cell.
B
It prevents substances from entering the cell.
C
It prevents substances from leaving the cell.
D
It controls which substances enter and exit the cell.
17) Mitosis is the process by which
A
a cell's nucleus divides.
B
DNA is replicated.
C
cells grow in size.
D
cytokinesis occurs.
18) Animal cells have to be flexible to allow animals to move around and bend. Plants are very rigid and do not move around and can only bend to a certain point before breaking. Animals are able to move and bend because the do not have
A
endoplasmic reticulum
B
cell walls
C
golgi bodies.
D
chloroplasts.
19) When an upright plant is placed on its side, the
A
stem bends and grows downwards.
B
plant dies.
C
stem bends and grows upward.
D
stem continues to develop horizontally
20) Which disease most likely occurs after excessive exposure to ultraviolet radiation?
A
skin cancer
B
polio
C
asthma
D
maleria
*select an answer for all questions
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